Maize Hybrid X13D073 Trait Segmentation
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Solution Overview
Problem
Current maize breeding techniques face challenges in combining desirable traits such as resistance to diseases and insects, heat, and drought, while also ensuring uniformity and high yield, which is crucial for mechanical harvesting and agronomic quality.
Innovation Solution
The development of a hybrid maize variety, X13D073, produced by crossing two proprietary Pioneer Hi-Bred International maize inbred varieties, incorporating locus conversion and transformation to introduce specific traits, thereby enhancing resistance and yield while maintaining uniformity and stability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional plant breeding methods are used to combine desirable traits, then resistance to diseases and insects can be improved, but yield and uniformity may be compromised
Solution Approach 1:
The breeding program segments the combination of traits into distinct phases: first developing inbred lines with disease and insect resistance, then crossing these with high-yielding lines to create hybrids that combine both resistance and productivity traits
Solution Approach 2:
The patent merges desirable traits from different parental inbred lines into a single hybrid variety, combining disease resistance, insect resistance, and high yield potential into hybrid X13D073
2Reliability
If traditional plant breeding methods are used to combine desirable traits, then resistance to heat and drought can be improved, but uniformity of plant characteristics may be compromised
Solution Approach 1:
The breeding program segments trait development into distinct phases, first establishing abiotic stress resistance in parental lines through controlled breeding, then fixing these traits in the hybrid through systematic crossing and selection
Solution Approach 2:
The patent utilizes controlled changes in breeding parameters including selection criteria, crossing designs, and evaluation metrics to simultaneously improve stress resistance and maintain uniformity of plant characteristics in the hybrid
3Reliability
If advanced genetic techniques such as locus conversion and transformation are used, then specific traits can be introduced to enhance resistance and yield, but device complexity increases
Solution Approach 1:
The patent employs molecular markers as intermediaries to track and select for desired traits during breeding, simplifying the identification of plants with target traits and reducing the complexity of phenotypic evaluation
Solution Approach 2:
The breeding program performs preliminary molecular marker analysis and trait identification before final hybrid development, allowing for early selection of plants with desired resistance and yield traits, thereby streamlining the overall breeding process
Data Source
AI summary
A novel maize variety designated X13D073 and seed, plants and plant parts thereof, produced by crossing Pioneer Hi-Bred International, Inc. proprietary inbred maize varieties. Methods for producing a maize plant that comprises crossing hybrid maize variety X13D073 with another maize plant. Methods for producing a maize plant containing in its genetic material one or more traits introgressed into X13D073 through backcross conversion and/or transformation, and to the maize seed, plant and plant part produced thereby. This invention relates to the maize variety X13D073, the seed, the plant produced from the seed, and variants, mutants, and minor modifications of maize variety X13D073. This invention further relates to methods for producing maize varieties derived from maize variety X13D073.